Influence of Hot Pressing Temperature on Mechanical Properties of Kevlar/PP Composite Nonwoven

Ting-Ting Li, Ching-Wen Lou, Ling-Wei Huang, Wen-Hao Hsing, Chien-Teng Hsieh, Jia-Horng Lin


This study blended recycled Kevlar fibers and PP fibers with 70:30 wt%:wt% and fabricated Kevlar/PP composite nonwoven using needle punching and hot processing processes. The hot pressing temperature was set as 160, 170 and 180℃, and un-hot-pressed composite nonwoven was considered as the control group. Kevlar fibers played as the reinforcing fibers. The tensile, tear, burst and constant-rate static puncture properties of composite nonwovens hot-pressed at different temperature were discussed. Result shows that, 170℃ hot pressing temperature exhibited the better mechanical performance and thus considered as the optimum processing condition.


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